There is no direct US immigration issue in your question. There may be some help elsewhere.

It is normal for the primary or principal applicant to be approved or adjudicated first. Then the adjudication of derivative applicant follows not...

In general, no. A single incident of underage drinking may not be disqualifying for visa renewal. The incident must be disclosed. Additionally,...

In general, tax marital filing status is not a factor in in I864 evaluation. An important criterion is the quantum of income.

It appears you have a problem with your address. Update AR11 now and speak with your USPS mail career about trouble getting mail from USCIS.

You may enter 5 7. This would be mathematically acceptable and Ok by USCIS.

Only ICE can deport not individuals. You may go to your local court with a family lawyer to settle the dispute between you and your husband.

If your K1 and K2 are approved, you may be admitted any time to the US to continue your permanent residence application process.

Yes, an employer may help with your US permanent residence application, LPR not citizenship.

Brownsville, TX is a USCIS/CBP/ICE hot spot, take all immigration documents with you.